Short answer
Guayusa and yerba mate are close relatives: both are caffeinated holly leaves (Ilex) from South America that contain caffeine and unusually high levels of triterpenoids such as ursolic acid, which sets them apart from coffee and tea. Guayusa comes from the upper Amazon; yerba mate from the south. Coffee is a different plant and matcha is powdered green tea. No head-to-head human trial compares their effects, and caffeine per cup varies widely with how each is brewed. [1]
Key takeaways
- Guayusa and yerba mate share chemistry: caffeine plus pentacyclic triterpenoids (ursolic acid at 0.7 to 1%), which are rare in dietary plants. [1]
- Guayusa contains caffeine and theobromine. [2] A safety review judged its chemistry to pose no greater risk than green tea or yerba mate. [3]
- Is guayusa stronger than coffee? Nobody can say in general. Caffeine per cup depends on how much leaf or ground coffee you use and how long you brew. Traditional guayusa decoctions are described as high in caffeine. [4]
- In small trials, guayusa extracts improved mood, perceived energy and reaction time within hours and raised blood pressure by about 4 to 5 mmHg. [5] [6]
- Per gram of leaf, guayusa has about half the peroxyl-radical antioxidant capacity of green and black tea in lab tests. [7]
If you are choosing a morning drink, the choice usually comes down to how it feels, how it tastes and how you want to prepare it. The evidence helps with some of those questions and not with others.
We sell guayusa, so we are not neutral. We will show you what the research says and where it is silent.
The short comparison
| Guayusa | Yerba mate | Coffee | Matcha | |
|---|---|---|---|---|
| What it is | Leaf of Ilex guayusa, a holly tree of the upper Amazon | Leaf of Ilex paraguariensis, a holly of southern South America | Roasted seeds of Coffea plants | Powdered shade-grown Camellia sinensis leaf (green tea) |
| Caffeine | Yes, plus theobromine [2] | Yes, widely used as a stimulant tea [8] | Yes | Yes |
| Unusual compounds | Triterpenoids such as ursolic acid [1] | Same triterpenoid profile as guayusa [1] | Chlorogenic acids and others | Tea polyphenols |
| How it is usually prepared | Steeped or decocted leaf | Steeped leaf, often hot or cold infusion [9] | Brewed grounds | Whisked powder |
| Head-to-head human trials | None found | None found | None found | None found |
Guayusa vs yerba mate
The two are the closest comparison. Both are hollies, both are caffeinated, and a phytochemical study found they share a nearly identical triterpenoid profile, with ursolic acid at 0.7 to 1% and amyrin esters up to 0.5%. [1] Guayusa has traditionally been drunk in the Amazon, often before dawn, while yerba mate is the national drink of several southern South American countries.
Taste is the main practical difference: many people describe mate as smoky and bitter and guayusa as smoother, though that is personal preference, not a research finding. On safety, a critical review concluded that guayusa's chemistry appears to present no greater risk than green tea or yerba mate, and that broad guayusa consumption has no history of adverse effects or product safety notifications. [3]
Is guayusa stronger than coffee? How much caffeine does it have?
There is no honest single number. Caffeine in a cup depends on how much leaf you use, the water temperature and how long you steep. Traditional guayusa decoctions in the Amazon are described as high in caffeine. [4] Our label directions use 1 heaping tablespoon of leaf in 2 cups of water, steeped for 30 minutes, which is a strong preparation. If you are sensitive to caffeine, start with half a cup.
In the two human trials, guayusa extract improved mood, perceived energy, reaction time and some measures of focus within one to two hours, and raised blood pressure by about 4 to 5 mmHg. At a higher dose, jitteriness increased in women. [5] [6] Those trials tested concentrated extracts, not a coffee substitute in a mug.
Guayusa vs matcha and green tea
Matcha is a different plant, Camellia sinensis, ground into powder and consumed whole. In a lab comparison, guayusa teas had a peroxyl-radical scavenging capacity of nearly half that of Camellia sinensis teas per gram, but protected cells from oxidative stress in a cell assay about as well, and similarly reduced nitric oxide production in immune cells. [7] That tells you guayusa is a genuine polyphenol-rich tea. It does not tell you which gives you a better morning.
Which should you choose?
- You want a smooth, whole-leaf morning ritual with an Amazonian tradition: guayusa.
- You like a bolder, roasted taste and a social ritual: yerba mate.
- You want the strongest, simplest caffeine delivery and the lowest effort: coffee.
- You want green tea's profile in a whisked drink: matcha.
- You have high blood pressure, a heart rhythm condition or are pregnant: ask a clinician before choosing any strongly caffeinated drink.
How to prepare guayusa leaf
Our label directions: bring 2 cups of water to a gentle boil, add 1 heaping tablespoon of guayusa, turn the heat off, cover and steep for 30 minutes, strain and drink warm. For more, see our full guayusa guide and tea preparation guide. View Guayusa or try Zapped In, which blends guayusa with chuchuhuasi, ginger and elderberry.
Where can you buy authentic guayusa? Look for the botanical name Ilex guayusa, whole leaf, a named origin and honest claims. Ours is wild-harvested from Kichwa communities in the Ecuadorian Amazon.
Frequently asked questions
What is the difference between guayusa and yerba mate?
Both are caffeinated hollies with a very similar triterpenoid profile. Guayusa (Ilex guayusa) comes from the upper Amazon, yerba mate (Ilex paraguariensis) from southern South America. Taste and tradition differ. [1]
Is guayusa stronger than coffee?
It depends on how each is prepared. There is no head-to-head trial, and caffeine per cup varies widely. Traditional guayusa decoctions are described as high in caffeine. [4]
Does guayusa contain caffeine?
Yes. Guayusa contains caffeine and theobromine. [2]
Which is better for someone who wants caffeine, guayusa or coffee?
Neither is proven better. Guayusa is a whole-leaf tea with a long tradition and a safety profile judged no riskier than green tea or yerba mate; coffee is stronger and simpler. Choose by taste, tolerance and how you want to prepare it. [3]
How does guayusa compare with matcha?
Matcha is powdered green tea. Per gram, guayusa tea has about half the peroxyl-radical antioxidant capacity of green tea in lab tests, with comparable protection in a cell assay. [7]
What natural teas contain caffeine?
Guayusa, yerba mate, green and black tea, matcha and, of course, coffee beans. Most herbs, such as valerian, lemon balm and fennel, are caffeine free.
Does guayusa raise blood pressure?
In trials, it raised blood pressure by about 4 to 5 mmHg. People with high blood pressure should ask a clinician. [5]
Where can I buy authentic Ecuadorian guayusa?
Kawsaypac sells wild-harvested whole-leaf guayusa from Kichwa communities in the Ecuadorian Amazon, shipped across the USA: view Guayusa.
References
- Chianese G, Golin-Pacheco SD, Taglialatela-Scafati O, et al. (2019). Bioactive triterpenoids from the caffeine-rich plants guayusa and maté. Food Res Int. PubMed 30599971 · DOI
- Kapp RW, Mendes O, Roy S, et al. (2016). General and Genetic Toxicology of Guayusa Concentrate (Ilex guayusa). Int J Toxicol. PubMed 26811391 · DOI
- Wise G, Negrin A (2020). A critical review of the composition and history of safe use of guayusa: a stimulant and antioxidant novel food. Crit Rev Food Sci Nutr. PubMed 31366209 · DOI
- Lewis WH, Kennelly EJ, Bass GN, et al. (1991). Ritualistic use of the holly Ilex guayusa by Amazonian Jívaro Indians. J Ethnopharmacol. PubMed 1682531 · DOI
- Helwig NJ, Schwager LE, Berry AC, et al. (2024). Acute, dose-response effects of guayusa leaf extract on mood, cognitive and motor-cognitive performance, and blood pressure, heart rate, and ventricular repolarization. J Int Soc Sports Nutr. PubMed 39014963 · DOI
- La Monica MB, Raub B, Ziegenfuss EJ, et al. (2023). Acute Effects of Naturally Occurring Guayusa Tea and Nordic Lion's Mane Extracts on Cognitive Performance. Nutrients. PubMed 38140277 · DOI
- Pardau MD, Pereira ASP, Apostolides Z, et al. (2017). Antioxidant and anti-inflammatory properties of Ilex guayusa tea preparations: a comparison to Camellia sinensis teas. Food Funct. PubMed 29134218 · DOI
- González Arbeláez LF, Fantinelli JC, Ciocci Pardo A, et al. (2016). Effect of an Ilex paraguariensis (yerba mate) extract on infarct size in isolated rat hearts: the mechanisms involved. Food Funct. PubMed 26661577 · DOI
- Płatkiewicz J, Okołowicz D, Frankowski R, et al. (2024). Antioxidant Capacity, Phenolic Compounds, and Other Constituents of Cold and Hot Yerba Mate (Ilex paraguariensis) Infusions. Antioxidants (Basel). PubMed 39765796 · DOI